English abbreviations from sss to sst
- SSS (Siding Spring Survey)
- S.S.S. (Societas Sanctissimi Sacramenti (Fathers of the Blessed Sacrament))
- SSSBK (Sant Suryanand Sambodhi Buddhatva Kutumbakam)
- SSSBK Sansthan (Sant Suryanand Sambodhi Buddhatva Kutumbakam Sansthan)
- SSSC (Self Service Supply Center)
- SSSD (Syria Social Society for Development)
- SSSE (Supplementary Streaming SIMD Extensions)
- SSSI (Site Of Special Scientific Interest)
- SSSL (Supplementary Seismic Survey Licence (United Kingdom), a type of onshore licence)
- SSSP (Schoolnet Stellar Support Parents)
- SSSPM ((catalog) SuperCOSMOS Sky Survey Proper Motion)
- SSSS (Super Sonic Samba School)
- SSSV (Sub-Surface Safety Valve)
- SST (Supervisor Safety Training)